[PATCH] Use https for maven repository

[Wald Commits]

# HG changeset patch
# User Tom Gottfried <tom at intevation.de>
# Date 1591119019 -7200
#      Tue Jun 02 19:30:19 2020 +0200
# Branch 3.2.x
# Node ID 136542267d696135a265028df429d8e01e1cece4
# Parent  6e694ec612469f9aa3811d328b9652eac6b83e15
Use https for maven repository

This provides a minimal level of trustworthiness for the downloaded
content.

diff -r 6e694ec61246 -r 136542267d69 pom.xml
--- a/pom.xml	Mon Dec 28 17:54:40 2015 +0100
+++ b/pom.xml	Tue Jun 02 19:30:19 2020 +0200
@@ -32,7 +32,7 @@
     <repository>
       <id>maven-restlet</id>
       <name>Public online Restlet repository</name>
-      <url>http://maven.restlet.org</url>
+      <url>https://maven.restlet.org</url>
     </repository>
   </repositories>